21507012

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:302

約数の個数: 96

約数和(自身を含む): 60211200

約数和(自身を除く): 38704188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 47, 54, 57, 76, 94, 108, 114, 141, 171, 188, 223, 228, 282, 342, 423, 446, 513, 564, 669, 684, 846, 892, 893, 1026, 1269, 1338, 1692, 1786, 2007, 2052, 2538, 2676, 2679, 3572, 4014, 4237, 5076, 5358, 6021, 8028, 8037, 8474, 10481, 10716, 12042, 12711, 16074, 16948, 20962, 24084, 24111, 25422, 31443, 32148, 38133, 41924, 48222, 50844, 62886, 76266, 94329, 96444, 114399, 125772, 152532, 188658, 199139, 228798, 282987, 377316, 398278, 457596, 565974, 597417, 796556, 1131948, 1194834, 1792251, 2389668, 3584502, 5376753, 7169004, 10753506, 21507012]

約数ペア:

[(1, 21507012), (2, 10753506), (3, 7169004), (4, 5376753), (6, 3584502), (9, 2389668), (12, 1792251), (18, 1194834), (19, 1131948), (27, 796556), (36, 597417), (38, 565974), (47, 457596), (54, 398278), (57, 377316), (76, 282987), (94, 228798), (108, 199139), (114, 188658), (141, 152532), (171, 125772), (188, 114399), (223, 96444), (228, 94329), (282, 76266), (342, 62886), (423, 50844), (446, 48222), (513, 41924), (564, 38133), (669, 32148), (684, 31443), (846, 25422), (892, 24111), (893, 24084), (1026, 20962), (1269, 16948), (1338, 16074), (1692, 12711), (1786, 12042), (2007, 10716), (2052, 10481), (2538, 8474), (2676, 8037), (2679, 8028), (3572, 6021), (4014, 5358), (4237, 5076)]