21362460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2677}}^1$

素因数の和:2715

約数の個数: 96

約数和(自身を含む): 71984640

約数和(自身を除く): 50622180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 2677, 3990, 5354, 7980, 8031, 10708, 13385, 16062, 18739, 26770, 32124, 37478, 40155, 50863, 53540, 56217, 74956, 80310, 93695, 101726, 112434, 152589, 160620, 187390, 203452, 224868, 254315, 281085, 305178, 356041, 374780, 508630, 562170, 610356, 712082, 762945, 1017260, 1068123, 1124340, 1424164, 1525890, 1780205, 2136246, 3051780, 3560410, 4272492, 5340615, 7120820, 10681230, 21362460]

約数ペア:

[(1, 21362460), (2, 10681230), (3, 7120820), (4, 5340615), (5, 4272492), (6, 3560410), (7, 3051780), (10, 2136246), (12, 1780205), (14, 1525890), (15, 1424164), (19, 1124340), (20, 1068123), (21, 1017260), (28, 762945), (30, 712082), (35, 610356), (38, 562170), (42, 508630), (57, 374780), (60, 356041), (70, 305178), (76, 281085), (84, 254315), (95, 224868), (105, 203452), (114, 187390), (133, 160620), (140, 152589), (190, 112434), (210, 101726), (228, 93695), (266, 80310), (285, 74956), (380, 56217), (399, 53540), (420, 50863), (532, 40155), (570, 37478), (665, 32124), (798, 26770), (1140, 18739), (1330, 16062), (1596, 13385), (1995, 10708), (2660, 8031), (2677, 7980), (3990, 5354)]