21432240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{103}}^1$

素因数の和:156

約数の個数: 180

約数和(自身を含む): 77201904

約数和(自身を除く): 55769664

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 103, 120, 136, 144, 153, 170, 180, 204, 206, 240, 255, 272, 289, 306, 309, 340, 360, 408, 412, 510, 515, 578, 612, 618, 680, 720, 765, 816, 824, 867, 927, 1020, 1030, 1156, 1224, 1236, 1360, 1445, 1530, 1545, 1648, 1734, 1751, 1854, 2040, 2060, 2312, 2448, 2472, 2601, 2890, 3060, 3090, 3468, 3502, 3708, 4080, 4120, 4335, 4624, 4635, 4944, 5202, 5253, 5780, 6120, 6180, 6936, 7004, 7416, 8240, 8670, 8755, 9270, 10404, 10506, 11560, 12240, 12360, 13005, 13872, 14008, 14832, 15759, 17340, 17510, 18540, 20808, 21012, 23120, 24720, 26010, 26265, 28016, 29767, 31518, 34680, 35020, 37080, 41616, 42024, 52020, 52530, 59534, 63036, 69360, 70040, 74160, 78795, 84048, 89301, 104040, 105060, 119068, 126072, 140080, 148835, 157590, 178602, 208080, 210120, 238136, 252144, 267903, 297670, 315180, 357204, 420240, 446505, 476272, 535806, 595340, 630360, 714408, 893010, 1071612, 1190680, 1260720, 1339515, 1428816, 1786020, 2143224, 2381360, 2679030, 3572040, 4286448, 5358060, 7144080, 10716120, 21432240]

約数ペア:

[(1, 21432240), (2, 10716120), (3, 7144080), (4, 5358060), (5, 4286448), (6, 3572040), (8, 2679030), (9, 2381360), (10, 2143224), (12, 1786020), (15, 1428816), (16, 1339515), (17, 1260720), (18, 1190680), (20, 1071612), (24, 893010), (30, 714408), (34, 630360), (36, 595340), (40, 535806), (45, 476272), (48, 446505), (51, 420240), (60, 357204), (68, 315180), (72, 297670), (80, 267903), (85, 252144), (90, 238136), (102, 210120), (103, 208080), (120, 178602), (136, 157590), (144, 148835), (153, 140080), (170, 126072), (180, 119068), (204, 105060), (206, 104040), (240, 89301), (255, 84048), (272, 78795), (289, 74160), (306, 70040), (309, 69360), (340, 63036), (360, 59534), (408, 52530), (412, 52020), (510, 42024), (515, 41616), (578, 37080), (612, 35020), (618, 34680), (680, 31518), (720, 29767), (765, 28016), (816, 26265), (824, 26010), (867, 24720), (927, 23120), (1020, 21012), (1030, 20808), (1156, 18540), (1224, 17510), (1236, 17340), (1360, 15759), (1445, 14832), (1530, 14008), (1545, 13872), (1648, 13005), (1734, 12360), (1751, 12240), (1854, 11560), (2040, 10506), (2060, 10404), (2312, 9270), (2448, 8755), (2472, 8670), (2601, 8240), (2890, 7416), (3060, 7004), (3090, 6936), (3468, 6180), (3502, 6120), (3708, 5780), (4080, 5253), (4120, 5202), (4335, 4944), (4624, 4635)]