21921030

素因数分解:

$2^1\times 3^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:153

約数の個数: 112

約数和(自身を含む): 61697664

約数和(自身を除く): 39776634

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 81, 90, 93, 97, 135, 155, 162, 186, 194, 243, 270, 279, 291, 310, 405, 465, 485, 486, 558, 582, 729, 810, 837, 873, 930, 970, 1215, 1395, 1455, 1458, 1674, 1746, 2430, 2511, 2619, 2790, 2910, 3007, 3645, 4185, 4365, 5022, 5238, 6014, 7290, 7533, 7857, 8370, 8730, 9021, 12555, 13095, 15035, 15066, 15714, 18042, 22599, 23571, 25110, 26190, 27063, 30070, 37665, 39285, 45105, 45198, 47142, 54126, 70713, 75330, 78570, 81189, 90210, 112995, 117855, 135315, 141426, 162378, 225990, 235710, 243567, 270630, 353565, 405945, 487134, 707130, 730701, 811890, 1217835, 1461402, 2192103, 2435670, 3653505, 4384206, 7307010, 10960515, 21921030]

約数ペア:

[(1, 21921030), (2, 10960515), (3, 7307010), (5, 4384206), (6, 3653505), (9, 2435670), (10, 2192103), (15, 1461402), (18, 1217835), (27, 811890), (30, 730701), (31, 707130), (45, 487134), (54, 405945), (62, 353565), (81, 270630), (90, 243567), (93, 235710), (97, 225990), (135, 162378), (155, 141426), (162, 135315), (186, 117855), (194, 112995), (243, 90210), (270, 81189), (279, 78570), (291, 75330), (310, 70713), (405, 54126), (465, 47142), (485, 45198), (486, 45105), (558, 39285), (582, 37665), (729, 30070), (810, 27063), (837, 26190), (873, 25110), (930, 23571), (970, 22599), (1215, 18042), (1395, 15714), (1455, 15066), (1458, 15035), (1674, 13095), (1746, 12555), (2430, 9021), (2511, 8730), (2619, 8370), (2790, 7857), (2910, 7533), (3007, 7290), (3645, 6014), (4185, 5238), (4365, 5022)]