21967320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3001}}^1$

素因数の和:3076

約数の個数: 64

約数和(自身を含む): 67004640

約数和(自身を除く): 45037320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3001, 3660, 6002, 7320, 9003, 12004, 15005, 18006, 24008, 30010, 36012, 45015, 60020, 72024, 90030, 120040, 180060, 183061, 360120, 366122, 549183, 732244, 915305, 1098366, 1464488, 1830610, 2196732, 2745915, 3661220, 4393464, 5491830, 7322440, 10983660, 21967320]

約数ペア:

[(1, 21967320), (2, 10983660), (3, 7322440), (4, 5491830), (5, 4393464), (6, 3661220), (8, 2745915), (10, 2196732), (12, 1830610), (15, 1464488), (20, 1098366), (24, 915305), (30, 732244), (40, 549183), (60, 366122), (61, 360120), (120, 183061), (122, 180060), (183, 120040), (244, 90030), (305, 72024), (366, 60020), (488, 45015), (610, 36012), (732, 30010), (915, 24008), (1220, 18006), (1464, 15005), (1830, 12004), (2440, 9003), (3001, 7320), (3660, 6002)]