21035300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1471}}^1$

素因数の和:1509

約数の個数: 72

約数和(自身を含む): 53663232

約数和(自身を除く): 32627932

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 130, 143, 220, 260, 275, 286, 325, 550, 572, 650, 715, 1100, 1300, 1430, 1471, 2860, 2942, 3575, 5884, 7150, 7355, 14300, 14710, 16181, 19123, 29420, 32362, 36775, 38246, 64724, 73550, 76492, 80905, 95615, 147100, 161810, 191230, 210353, 323620, 382460, 404525, 420706, 478075, 809050, 841412, 956150, 1051765, 1618100, 1912300, 2103530, 4207060, 5258825, 10517650, 21035300]

約数ペア:

[(1, 21035300), (2, 10517650), (4, 5258825), (5, 4207060), (10, 2103530), (11, 1912300), (13, 1618100), (20, 1051765), (22, 956150), (25, 841412), (26, 809050), (44, 478075), (50, 420706), (52, 404525), (55, 382460), (65, 323620), (100, 210353), (110, 191230), (130, 161810), (143, 147100), (220, 95615), (260, 80905), (275, 76492), (286, 73550), (325, 64724), (550, 38246), (572, 36775), (650, 32362), (715, 29420), (1100, 19123), (1300, 16181), (1430, 14710), (1471, 14300), (2860, 7355), (2942, 7150), (3575, 5884)]