21314580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2671}}^1$

素因数の和:2709

約数の個数: 96

約数和(自身を含む): 71823360

約数和(自身を除く): 50508780

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, 2671, 3990, 5342, 7980, 8013, 10684, 13355, 16026, 18697, 26710, 32052, 37394, 40065, 50749, 53420, 56091, 74788, 80130, 93485, 101498, 112182, 152247, 160260, 186970, 202996, 224364, 253745, 280455, 304494, 355243, 373940, 507490, 560910, 608988, 710486, 761235, 1014980, 1065729, 1121820, 1420972, 1522470, 1776215, 2131458, 3044940, 3552430, 4262916, 5328645, 7104860, 10657290, 21314580]

約数ペア:

[(1, 21314580), (2, 10657290), (3, 7104860), (4, 5328645), (5, 4262916), (6, 3552430), (7, 3044940), (10, 2131458), (12, 1776215), (14, 1522470), (15, 1420972), (19, 1121820), (20, 1065729), (21, 1014980), (28, 761235), (30, 710486), (35, 608988), (38, 560910), (42, 507490), (57, 373940), (60, 355243), (70, 304494), (76, 280455), (84, 253745), (95, 224364), (105, 202996), (114, 186970), (133, 160260), (140, 152247), (190, 112182), (210, 101498), (228, 93485), (266, 80130), (285, 74788), (380, 56091), (399, 53420), (420, 50749), (532, 40065), (570, 37394), (665, 32052), (798, 26710), (1140, 18697), (1330, 16026), (1596, 13355), (1995, 10684), (2660, 8013), (2671, 7980), (3990, 5342)]