21000314580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3557}}^1\times {\mathrm{14057}}^1$

素因数の和:17633

約数の個数: 96

約数和(自身を含む): 67224681216

約数和(自身を除く): 46224366636

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 3557, 7114, 10671, 14057, 14228, 17785, 21342, 24899, 28114, 35570, 42171, 42684, 49798, 53355, 56228, 70285, 71140, 74697, 84342, 98399, 99596, 106710, 124495, 140570, 149394, 168684, 196798, 210855, 213420, 248990, 281140, 295197, 298788, 373485, 393596, 421710, 491995, 497980, 590394, 746970, 843420, 983990, 1180788, 1475985, 1493940, 1967980, 2951970, 5903940, 50000749, 100001498, 150002247, 200002996, 250003745, 300004494, 350005243, 500007490, 600008988, 700010486, 750011235, 1000014980, 1050015729, 1400020972, 1500022470, 1750026215, 2100031458, 3000044940, 3500052430, 4200062916, 5250078645, 7000104860, 10500157290, 21000314580]

約数ペア:

[(1, 21000314580), (2, 10500157290), (3, 7000104860), (4, 5250078645), (5, 4200062916), (6, 3500052430), (7, 3000044940), (10, 2100031458), (12, 1750026215), (14, 1500022470), (15, 1400020972), (20, 1050015729), (21, 1000014980), (28, 750011235), (30, 700010486), (35, 600008988), (42, 500007490), (60, 350005243), (70, 300004494), (84, 250003745), (105, 200002996), (140, 150002247), (210, 100001498), (420, 50000749), (3557, 5903940), (7114, 2951970), (10671, 1967980), (14057, 1493940), (14228, 1475985), (17785, 1180788), (21342, 983990), (24899, 843420), (28114, 746970), (35570, 590394), (42171, 497980), (42684, 491995), (49798, 421710), (53355, 393596), (56228, 373485), (70285, 298788), (71140, 295197), (74697, 281140), (84342, 248990), (98399, 213420), (99596, 210855), (106710, 196798), (124495, 168684), (140570, 149394)]