21431970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{34019}}^1$

素因数の和:34039

約数の個数: 48

約数和(自身を含む): 63685440

約数和(自身を除く): 42253470

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 34019, 68038, 102057, 170095, 204114, 238133, 306171, 340190, 476266, 510285, 612342, 714399, 1020570, 1190665, 1428798, 1530855, 2143197, 2381330, 3061710, 3571995, 4286394, 7143990, 10715985, 21431970]

約数ペア:

[(1, 21431970), (2, 10715985), (3, 7143990), (5, 4286394), (6, 3571995), (7, 3061710), (9, 2381330), (10, 2143197), (14, 1530855), (15, 1428798), (18, 1190665), (21, 1020570), (30, 714399), (35, 612342), (42, 510285), (45, 476266), (63, 340190), (70, 306171), (90, 238133), (105, 204114), (126, 170095), (210, 102057), (315, 68038), (630, 34019)]