21100260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:337

約数の個数: 96

約数和(自身を含む): 63221760

約数和(自身を除く): 42121500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 83, 95, 114, 166, 190, 223, 228, 249, 285, 332, 380, 415, 446, 498, 570, 669, 830, 892, 996, 1115, 1140, 1245, 1338, 1577, 1660, 2230, 2490, 2676, 3154, 3345, 4237, 4460, 4731, 4980, 6308, 6690, 7885, 8474, 9462, 12711, 13380, 15770, 16948, 18509, 18924, 21185, 23655, 25422, 31540, 37018, 42370, 47310, 50844, 55527, 63555, 74036, 84740, 92545, 94620, 111054, 127110, 185090, 222108, 254220, 277635, 351671, 370180, 555270, 703342, 1055013, 1110540, 1406684, 1758355, 2110026, 3516710, 4220052, 5275065, 7033420, 10550130, 21100260]

約数ペア:

[(1, 21100260), (2, 10550130), (3, 7033420), (4, 5275065), (5, 4220052), (6, 3516710), (10, 2110026), (12, 1758355), (15, 1406684), (19, 1110540), (20, 1055013), (30, 703342), (38, 555270), (57, 370180), (60, 351671), (76, 277635), (83, 254220), (95, 222108), (114, 185090), (166, 127110), (190, 111054), (223, 94620), (228, 92545), (249, 84740), (285, 74036), (332, 63555), (380, 55527), (415, 50844), (446, 47310), (498, 42370), (570, 37018), (669, 31540), (830, 25422), (892, 23655), (996, 21185), (1115, 18924), (1140, 18509), (1245, 16948), (1338, 15770), (1577, 13380), (1660, 12711), (2230, 9462), (2490, 8474), (2676, 7885), (3154, 6690), (3345, 6308), (4237, 4980), (4460, 4731)]