21449968280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2426467}}^1$

素因数の和:2426508

約数の個数: 64

約数和(自身を含む): 55032294240

約数和(自身を除く): 33582325960

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8840, 2426467, 4852934, 9705868, 12132335, 19411736, 24264670, 31544071, 41249939, 48529340, 63088142, 82499878, 97058680, 126176284, 157720355, 164999756, 206249695, 252352568, 315440710, 329999512, 412499390, 536249207, 630881420, 824998780, 1072498414, 1261762840, 1649997560, 2144996828, 2681246035, 4289993656, 5362492070, 10724984140, 21449968280]

約数ペア:

[(1, 21449968280), (2, 10724984140), (4, 5362492070), (5, 4289993656), (8, 2681246035), (10, 2144996828), (13, 1649997560), (17, 1261762840), (20, 1072498414), (26, 824998780), (34, 630881420), (40, 536249207), (52, 412499390), (65, 329999512), (68, 315440710), (85, 252352568), (104, 206249695), (130, 164999756), (136, 157720355), (170, 126176284), (221, 97058680), (260, 82499878), (340, 63088142), (442, 48529340), (520, 41249939), (680, 31544071), (884, 24264670), (1105, 19411736), (1768, 12132335), (2210, 9705868), (4420, 4852934), (8840, 2426467)]