21455910

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{34057}}^1$

素因数の和:34077

約数の個数: 48

約数和(自身を含む): 63756576

約数和(自身を除く): 42300666

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, 34057, 68114, 102171, 170285, 204342, 238399, 306513, 340570, 476798, 510855, 613026, 715197, 1021710, 1191995, 1430394, 1532565, 2145591, 2383990, 3065130, 3575985, 4291182, 7151970, 10727955, 21455910]

約数ペア:

[(1, 21455910), (2, 10727955), (3, 7151970), (5, 4291182), (6, 3575985), (7, 3065130), (9, 2383990), (10, 2145591), (14, 1532565), (15, 1430394), (18, 1191995), (21, 1021710), (30, 715197), (35, 613026), (42, 510855), (45, 476798), (63, 340570), (70, 306513), (90, 238399), (105, 204342), (126, 170285), (210, 102171), (315, 68114), (630, 34057)]