21670920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3541}}^1$

素因数の和:3575

約数の個数: 96

約数和(自身を含む): 74594520

約数和(自身を除く): 52923600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 3541, 6120, 7082, 10623, 14164, 17705, 21246, 28328, 31869, 35410, 42492, 53115, 60197, 63738, 70820, 84984, 106230, 120394, 127476, 141640, 159345, 180591, 212460, 240788, 254952, 300985, 318690, 361182, 424920, 481576, 541773, 601970, 637380, 722364, 902955, 1083546, 1203940, 1274760, 1444728, 1805910, 2167092, 2407880, 2708865, 3611820, 4334184, 5417730, 7223640, 10835460, 21670920]

約数ペア:

[(1, 21670920), (2, 10835460), (3, 7223640), (4, 5417730), (5, 4334184), (6, 3611820), (8, 2708865), (9, 2407880), (10, 2167092), (12, 1805910), (15, 1444728), (17, 1274760), (18, 1203940), (20, 1083546), (24, 902955), (30, 722364), (34, 637380), (36, 601970), (40, 541773), (45, 481576), (51, 424920), (60, 361182), (68, 318690), (72, 300985), (85, 254952), (90, 240788), (102, 212460), (120, 180591), (136, 159345), (153, 141640), (170, 127476), (180, 120394), (204, 106230), (255, 84984), (306, 70820), (340, 63738), (360, 60197), (408, 53115), (510, 42492), (612, 35410), (680, 31869), (765, 28328), (1020, 21246), (1224, 17705), (1530, 14164), (2040, 10623), (3060, 7082), (3541, 6120)]