21473040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:329

約数の個数: 160

約数和(自身を含む): 74459520

約数和(自身を除く): 52986480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 34, 38, 40, 48, 51, 57, 60, 68, 76, 80, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 240, 255, 272, 277, 285, 304, 323, 340, 380, 408, 456, 510, 554, 570, 646, 680, 760, 816, 831, 912, 969, 1020, 1108, 1140, 1292, 1360, 1385, 1520, 1615, 1662, 1938, 2040, 2216, 2280, 2584, 2770, 3230, 3324, 3876, 4080, 4155, 4432, 4560, 4709, 4845, 5168, 5263, 5540, 6460, 6648, 7752, 8310, 9418, 9690, 10526, 11080, 12920, 13296, 14127, 15504, 15789, 16620, 18836, 19380, 21052, 22160, 23545, 25840, 26315, 28254, 31578, 33240, 37672, 38760, 42104, 47090, 52630, 56508, 63156, 66480, 70635, 75344, 77520, 78945, 84208, 89471, 94180, 105260, 113016, 126312, 141270, 157890, 178942, 188360, 210520, 226032, 252624, 268413, 282540, 315780, 357884, 376720, 421040, 447355, 536826, 565080, 631560, 715768, 894710, 1073652, 1130160, 1263120, 1342065, 1431536, 1789420, 2147304, 2684130, 3578840, 4294608, 5368260, 7157680, 10736520, 21473040]

約数ペア:

[(1, 21473040), (2, 10736520), (3, 7157680), (4, 5368260), (5, 4294608), (6, 3578840), (8, 2684130), (10, 2147304), (12, 1789420), (15, 1431536), (16, 1342065), (17, 1263120), (19, 1130160), (20, 1073652), (24, 894710), (30, 715768), (34, 631560), (38, 565080), (40, 536826), (48, 447355), (51, 421040), (57, 376720), (60, 357884), (68, 315780), (76, 282540), (80, 268413), (85, 252624), (95, 226032), (102, 210520), (114, 188360), (120, 178942), (136, 157890), (152, 141270), (170, 126312), (190, 113016), (204, 105260), (228, 94180), (240, 89471), (255, 84208), (272, 78945), (277, 77520), (285, 75344), (304, 70635), (323, 66480), (340, 63156), (380, 56508), (408, 52630), (456, 47090), (510, 42104), (554, 38760), (570, 37672), (646, 33240), (680, 31578), (760, 28254), (816, 26315), (831, 25840), (912, 23545), (969, 22160), (1020, 21052), (1108, 19380), (1140, 18836), (1292, 16620), (1360, 15789), (1385, 15504), (1520, 14127), (1615, 13296), (1662, 12920), (1938, 11080), (2040, 10526), (2216, 9690), (2280, 9418), (2584, 8310), (2770, 7752), (3230, 6648), (3324, 6460), (3876, 5540), (4080, 5263), (4155, 5168), (4432, 4845), (4560, 4709)]