21960090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:524

約数の個数: 96

約数和(自身を含む): 62539776

約数和(自身を除く): 40579686

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 31, 34, 45, 51, 62, 85, 90, 93, 102, 153, 155, 170, 186, 255, 279, 306, 310, 463, 465, 510, 527, 558, 765, 926, 930, 1054, 1389, 1395, 1530, 1581, 2315, 2635, 2778, 2790, 3162, 4167, 4630, 4743, 5270, 6945, 7871, 7905, 8334, 9486, 13890, 14353, 15742, 15810, 20835, 23613, 23715, 28706, 39355, 41670, 43059, 47226, 47430, 70839, 71765, 78710, 86118, 118065, 129177, 141678, 143530, 215295, 236130, 244001, 258354, 354195, 430590, 488002, 645885, 708390, 732003, 1220005, 1291770, 1464006, 2196009, 2440010, 3660015, 4392018, 7320030, 10980045, 21960090]

約数ペア:

[(1, 21960090), (2, 10980045), (3, 7320030), (5, 4392018), (6, 3660015), (9, 2440010), (10, 2196009), (15, 1464006), (17, 1291770), (18, 1220005), (30, 732003), (31, 708390), (34, 645885), (45, 488002), (51, 430590), (62, 354195), (85, 258354), (90, 244001), (93, 236130), (102, 215295), (153, 143530), (155, 141678), (170, 129177), (186, 118065), (255, 86118), (279, 78710), (306, 71765), (310, 70839), (463, 47430), (465, 47226), (510, 43059), (527, 41670), (558, 39355), (765, 28706), (926, 23715), (930, 23613), (1054, 20835), (1389, 15810), (1395, 15742), (1530, 14353), (1581, 13890), (2315, 9486), (2635, 8334), (2778, 7905), (2790, 7871), (3162, 6945), (4167, 5270), (4630, 4743)]